78131075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 111555360

約数和(自身を除く): 33424285

約数列:

[1, 5, 11, 25, 29, 55, 97, 101, 145, 275, 319, 485, 505, 725, 1067, 1111, 1595, 2425, 2525, 2813, 2929, 5335, 5555, 7975, 9797, 14065, 14645, 26675, 27775, 30943, 32219, 48985, 70325, 73225, 107767, 154715, 161095, 244925, 284113, 538835, 773575, 805475, 1420565, 2694175, 3125243, 7102825, 15626215, 78131075]

約数ペア:

[(1, 78131075), (5, 15626215), (11, 7102825), (25, 3125243), (29, 2694175), (55, 1420565), (97, 805475), (101, 773575), (145, 538835), (275, 284113), (319, 244925), (485, 161095), (505, 154715), (725, 107767), (1067, 73225), (1111, 70325), (1595, 48985), (2425, 32219), (2525, 30943), (2813, 27775), (2929, 26675), (5335, 14645), (5555, 14065), (7975, 9797)]